Ann, a user, reports that a newly purchased laptop is only showing 65GB total on the C.
drive, but she purchased a 100GB hard drive. Which of the following is MOST likely the
cause of this difference?

A.
The unavailable space is set aside for Windows system files

B.
The manufacturer provided a factory recovery partition

C.
Corrupted data is being stored in the unused space

D.
The partition was setup incorrectly and needs to be extended